About Jan-Georg Rosenboom
Jan-Georg Rosenboom is a co-founder, CTO and director at MacroCycle Technologies.
Experience
This experience comes from Jan-Georg Rosenboom's profile and from SEC filings. For roles taken from filings, the years are when the filings name Jan-Georg Rosenboom in the role, so the role may have started earlier or lasted longer.
AT
Absco Therapeutics Current
Advisor
2024 – Present
MacroCycle Technologies Inc. Current
Co-founder, CTO and director
Co-founder & CTO (2023 – Present)
2023 – Present · Cambridge, MA
Produces recycled polyester resin for textile and packaging manufacturers.
MT
Massachusetts Institute of Technology Current
Ludwig Research Fellow
2019 – Present
AP
Apple
Plastics Consultant
2021 – 2023
SU
Sulzer
Technical Consultant
2018 – 2019
Key Colleagues at Startups
The people Jan-Georg Rosenboom works with at each company, as listed on that company's latest Form D.
MacroCycle Technologies Inc. · Form D, Mar 3, 2026
TF
Temple Fennell
Director
Catia Cesari
Director
SF
Stwart Pena Feliz
CEO and director
Kristin Taylor
Director